What causes photopsia and photophobia in patients with Stargardt?

Flashing lights in vision (photopsia) or discomfort due to bright light or glare (photophobia) is often experienced by patients with Stargardt. However, little is understood about what causes these symptoms, their prevalence or the impact they can have on people’s lives.
Omar Mahroo, consultant ophthalmologist and professor of retinal neuroscience at University College London, and his colleague Dr Matteo Rizzi will join our My Macular and Me webinar to discuss their latest research on the topic.

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This phenomenon is also true for Best Disease. I often experience short flashes when looking at bright lights or right at the moment when I turn off the lights at night. I also had a bit of light sensitivity, probably due to CNVM, but that mostly went away after 2 rounds of Avastin injections.